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Sorting rows in a data table
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Its Simple Use .Select function.
DataRow[] foundRows=table.Select("Date = '1/31/1979' or OrderID = 2", "CompanyName ASC");
DataTable dt = foundRows.CopyToDataTable();
And it's done......Happy Coding
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Meaning of tilde in Linux bash (not home directory)
... `dirs +1`
~2 `dirs +2`
~-1 `dirs -1`
dirs and ~1, ~-1, etc., are used in conjunction with pushd and popd.
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How do I read a text file of about 2 GB? [duplicate]
...the fast, smart log explorer.
I have opened log file of size around 2 GB, and the search is also very fast.
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Is it possible to have a multi-line comments in R? [duplicate]
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You can, if you want, use standalone strings for multi-line comments — I've always thought that prettier than if (FALSE) { } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happ...
Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
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Colors in JavaScript console
...da55');
The same can be applied for adding multiple CSS to same command.
References
MDN: Styling console output
Chrome: Console API Reference
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Correct way to remove plugin from Eclipse
...from Eclipse/STS :
Go to install folder of eclipse ----> plugin --> select required plugin and remove it.
Ex-
Step 1.
E:\springsource\sts-3.4.0.RELEASE\plugins
Step 2.
select and remove related plugins jars.
sh...
Assigning default values to shell variables with a single command in bash
... answered Jan 6 '10 at 14:36
Andrew McGregorAndrew McGregor
21.9k22 gold badges2525 silver badges2828 bronze badges
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Getting result of dynamic SQL into a variable for sql-server
... varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @city = @city, @cnt=@counts OUTPUT
select @counts as Counts
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Selecting multiple columns in a pandas dataframe
...7 44
R3 47 30 84
R4 41 62 1
R5 5 58 0
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Same works for selecting rows based on labels. Get the rows 'R6' to 'R10' from those columns:
df.loc['R6':'R10', 'C':'E']
Out:
C D E
R6 51 27 31
R7 83 19 18
R8 11 67 65
R9 78 27 29
R10 7 16 94
.loc also ac...